<template>
	<section class="chart-container">
		<el-row>
			<el-col :span="12">
				<div id="chartColumn" style="width:100%; height:400px;"></div>
			</el-col>
			<el-col :span="12">
				<div id="chartBar" style="width:100%; height:400px;"></div>
			</el-col>
			<el-col :span="12">
				<div id="chartLine" style="width:100%; height:400px;"></div>
			</el-col>
			<el-col :span="12">
				<div id="chartPie" style="width:100%; height:400px;"></div>
			</el-col>
			<el-col :span="24">
				<a href="http://echarts.baidu.com/examples.html" target="_blank" style="float: right;">more>></a>
			</el-col>
		</el-row>
	</section>
</template>

<script>
	import echarts from 'echarts'

	export default {
		name:'首页',
		data() {
			return {
				chartColumn: null,
				chartBar: null,
				chartLine: null,
				chartPie: null
			}
		},

		methods: {
			drawColumnChart() {
				this.chartColumn = echarts.init(document.getElementById('chartColumn'));
				this.chartColumn.setOption({
					title: { text: 'Column Chart' },
					tooltip: {},
					xAxis: {
						data: ["衬衫", "羊毛衫", "雪纺衫", "裤子", "高跟鞋", "袜子"]
					},
					yAxis: {},
					series: [{
						name: '销量',
						type: 'bar',
						data: [5, 20, 36, 10, 10, 20]
					}]
				});
			},
			drawBarChart() {
				this.chartBar = echarts.init(document.getElementById('chartBar'));
				this.chartBar.setOption({
					title: {
						text: 'Bar Chart',
						subtext: '数据来自网络'
					},
					tooltip: {
						trigger: 'axis',
						axisPointer: {
							type: 'shadow'
						}
					},
					legend: {
						data: ['2011年', '2012年']
					},
					grid: {
						left: '3%',
						right: '4%',
						bottom: '3%',
						containLabel: true
					},
					xAxis: {
						type: 'value',
						boundaryGap: [0, 0.01]
					},
					yAxis: {
						type: 'category',
						data: ['巴西', '印尼', '美国', '印度', '中国', '世界人口(万)']
					},
					series: [
						{
							name: '2011年',
							type: 'bar',
							data: [18203, 23489, 29034, 104970, 131744, 630230]
						},
						{
							name: '2012年',
							type: 'bar',
							data: [19325, 23438, 31000, 121594, 134141, 681807]
						}
					]
				});
			},
			drawLineChart() {
				this.chartLine = echarts.init(document.getElementById('chartLine'));
				this.chartLine.setOption({
					title: {
						text: 'Line Chart'
					},
					tooltip: {
						trigger: 'axis'
					},
					legend: {
						data: ['邮件营销', '联盟广告', '搜索引擎']
					},
					grid: {
						left: '3%',
						right: '4%',
						bottom: '3%',
						containLabel: true
					},
					xAxis: {
						type: 'category',
						boundaryGap: false,
						data: ['周一', '周二', '周三', '周四', '周五', '周六', '周日']
					},
					yAxis: {
						type: 'value'
					},
					series: [
						{
							name: '邮件营销',
							type: 'line',
							stack: '总量',
							data: [120, 132, 101, 134, 90, 230, 210]
						},
						{
							name: '联盟广告',
							type: 'line',
							stack: '总量',
							data: [220, 182, 191, 234, 290, 330, 310]
						},
						{
							name: '搜索引擎',
							type: 'line',
							stack: '总量',
							data: [820, 932, 901, 934, 1290, 1330, 1320]
						}
					]
				});
			},
			drawPieChart() {
				this.chartPie = echarts.init(document.getElementById('chartPie'));
				this.chartPie.setOption({
					title: {
						text: 'Pie Chart',
						subtext: '纯属虚构',
						x: 'center'
					},
					tooltip: {
						trigger: 'item',
						formatter: "{a} <br/>{b} : {c} ({d}%)"
					},
					legend: {
						orient: 'vertical',
						left: 'left',
						data: ['直接访问', '邮件营销', '联盟广告', '视频广告', '搜索引擎']
					},
					series: [
						{
							name: '访问来源',
							type: 'pie',
							radius: '55%',
							center: ['50%', '60%'],
							data: [
								{ value: 335, name: '直接访问' },
								{ value: 310, name: '邮件营销' },
								{ value: 234, name: '联盟广告' },
								{ value: 135, name: '视频广告' },
								{ value: 1548, name: '搜索引擎' }
							],
							itemStyle: {
								emphasis: {
									shadowBlur: 10,
									shadowOffsetX: 0,
									shadowColor: 'rgba(0, 0, 0, 0.5)'
								}
							}
						}
					]
				});
			},
			drawCharts() {
				this.drawColumnChart()
				this.drawBarChart()
				this.drawLineChart()
				this.drawPieChart()
			},
		},

		mounted: function () {
			this.drawCharts()
		},
		updated: function () {
			this.drawCharts()
		}
	}
</script>

<style scoped>
	.chart-container {
		width: 100%;
		float: left;
	}
	/*.chart div {
        height: 400px;
        float: left;
    }*/

	.el-col {
		padding: 30px 20px;
	}
</style>
